<template>
  <div class="header">
    <div class="content-wrapper">
      <div class="avatar">
        <img width="64" height="64" :src="seller.avatar"/>
      </div>
      <div class="content">
        <div class="title">
          <span class="brand"></span>
          <span class="name">{{seller.name}}</span>
        </div>
        <!--配送信息-->
        <div class="description">
          {{seller.description}}/{{seller.deliveryTime}}分钟送达
        </div>
        <!--优惠信息-->
        <div @click="showDetail" v-if="seller.supports" class="support">
          <span class="icon" :class="classMap[seller.supports[0].type]"></span>
          <span class="text">{{seller.supports[0].description}}</span>
        </div>
      </div>
      <!--优惠数量-->
      <div @click="showDetail" v-if="seller.supports" class="support-count">
        <span class="count">{{seller.supports.length}}个</span>
        <i class="icon-keyboard_arrow_right"> </i>
      </div>
    </div>
    <!--文字导航-->
    <div @click="showDetail" class="bulletin-wrapper">
      <span class="bulletin-title"></span><span class="bulletin-text">{{seller.bulletin}}</span>
      <i class="icon-keyboard_arrow_right"> </i>
    </div>
    <!--模糊背景-->
    <div class="background">
      <img :src="seller.avatar" width="100%" height="100%">
    </div>
    <!--弹出遮罩层-->
    <transition name="fade">
      <div v-show="detailShow" class="detail">
        <div class="detail-wrapper clearfix"><!--clearfix设置初始化信息-->
          <div class="detail-main">
            <h1 class="name">{{seller.name}}</h1>
            <!--星星评分-->
            <div class="star-wrapper">
              <star :size="48" :score="seller.score"></star>
            </div>
            <div class="title">
              <div class="line"></div>
              <div class="text">优惠信息</div>
              <div class="line"></div>
            </div>
            <ul v-if="seller.supports" class="supports">
              <li class="support-item" v-for="item in seller.supports" :key="item.id">
                <support class="icon"  :size="1" :type="item.type"></support>
                <span class="text">{{item.description}}</span>
              </li>
            </ul>
            <div class="title">
              <div class="line"></div>
              <div class="text">商家公告</div>
              <div class="line"></div>
            </div>
            <div class="bulletin">
              <p class="content">{{seller.bulletin}}</p>
            </div>
          </div>
        </div>
        <!--关闭遮罩层-->
        <div @click="hideDetail" class="detail-close">
          <i class="icon-close"></i>
        </div>
      </div>
    </transition>
  </div>
</template>
<script type="text/ecmascript-6">
  import star from '@/components/star/star'
  import support from '@/components/support/support'

  export default {
    props: {
      seller: {}
    },
    data() {
      return {
        detailShow: false
      }
    },
    created() {
      this.classMap = [
        'decrease',
        'discount',
        'special',
        'invoice',
        'guarantee'
      ]
    },
    methods: {
      showDetail() {
        this.detailShow = true
      },
      hideDetail() {
        this.detailShow = false
      }
    },
    components: {
      star,
      support
    }
  }
</script>

<style rel="stylesheet/less" lang="less">
  // 导入less
  @import './../../common/less/mixins.less';
  @import "./../../common/less/base";

  .header {
    position: relative;
    color: #fff;
    background: rgba(7, 17, 27, 0.3);
    overflow: hidden; /*解决高斯模糊的溢出阴影部分 【filter: blur(10px);】*/
    .content-wrapper {
      position: relative;
      padding: 24px 12px 18px 24px;
      font-size: 0; /*消除子元素之间的缝隙（子元素之间的缝隙产生的原因是有空白字符）*/
      .avatar {
        display: inline-block;
        vertical-align: top;
        img {
          border-radius: 2px;
        }
      }
      .content {
        display: inline-block;
        margin-left: 16px;
        .title {
          margin: 2px 0 8px 0;
          .brand {
            /*brand 是一个行内元素，设置宽高没有效果，所以添加display：inline-block*/
            display: inline-block;
            width: 30px;
            height: 18px;
            vertical-align: top; /*把元素的顶端与行中最高元素的顶端对齐*/
            .bg-images('../images/header/brand');
            background-size: 30px 18px;
            background-repeat: no-repeat;
          }
          .name {
            margin-left: 6px;
            font-size: 16px;
            line-height: 18px;
            font-weight: bold;
          }
        }
        /*配送信息*/
        .description {
          margin-bottom: 10px;
          line-height: 12px;
          font-size: 12px;
        }
        /*优惠信息*/
        .support {
          .icon {
            display: inline-block;
            vertical-align: top;
            width: 12px;
            height: 12px;
            margin-right: 4px;
            background-size: 12px 12px;
            background-repeat: no-repeat;
            &.decrease {
              .bg-images('../images/header/decrease_1')
            }
            &.discount {
              .bg-images('../images/header/discount_1')
            }
            &.guarantee {
              .bg-images('../images/header/guarantee_1')
            }
            &.invoice {
              .bg-images('../images/header/invoice_1')
            }
            &.special {
              .bg-images('../images/header/special_1')
            }
          }
          .text {
            line-height: 12px;
            font-size: 12px;
          }
        }
      }
      .support-count {
        position: absolute;
        right: 12px;
        bottom: 14px;
        padding: 0 8px;
        height: 24px;
        line-height: 24px;
        border-radius: 14px;
        background: rgba(0, 0, 0, 0.2);
        text-align: center;
        .count {
          vertical-align: top;
          font-size: 10px;
        }
        .icon-keyboard_arrow_right {
          margin-left: 2px;
          line-height: 24px;
          font-size: 12px;
        }
      }
    }
    .bulletin-wrapper {
      position: relative;
      height: 28px;
      line-height: 28px;
      padding: 0 22px 0 12px;
      white-space: nowrap; /*处理元素内的空白 文本不会换行*/
      overflow: hidden;
      text-overflow: ellipsis; /*文本溢出 显示省略符号来代表被修剪的文本*/
      /*font-size: 0; !*影响【text-overflow】设置的省略号 使用【span】之间不分行解决*!*/
      background: rgba(7, 17, 27, 0.2);
      .bulletin-title {
        display: inline-block;
        margin-top: 8px;
        width: 22px;
        height: 12px;
        .bg-images('../images/header/bulletin');
        background-size: 22px 12px;
        background-repeat: no-repeat;
      }
      .bulletin-text {
        vertical-align: top;
        margin: 0 4px;
        font-size: 10px;
      }
      .icon-keyboard_arrow_right {
        position: absolute;
        font-size: 10px;
        right: 12px;
        top: 8px;
      }
    }
    .background {
      position: absolute;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      filter: blur(10px); /*给图像设置高斯模糊 设置背景模糊效果，父标签背景需要设置透明效果*/
    }
    /*弹出遮罩层*/
    .detail {
      position: fixed;
      z-index: 100;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      overflow: auto;
      background: rgba(7, 17, 27, 0.8);
      /*过渡：所有属性过渡时间0.5s*/
      transition: all 0.5s;
      backdrop-filter: blur(10px);
      /*最终显示的状态*/
      &.fade-transition {
        opacity: 1;
        background: rgba(7, 17, 27, 0.8)
      }
      /*fade-enter进入过渡的开始状态*/
      /*fade-leave离开过渡的开始状态*/
      &.fade-enter, &.fade-leave {
        opacity: 0;
        background: rgba(7, 17, 27, 0);
      }
      .detail-wrapper {
        width: 100%;
        min-height: 100%;
        .detail-main {
          margin-top: 64px;
          padding-bottom: 64px;
          .name {
            line-height: 16px;
            text-align: center;
            font-size: 16px;
            font-weight: 700;
          }
          /*星星*/
          .star-wrapper {
            margin-top: 18px;
            padding: 2px 0;
            text-align: center;
          }
          .title {
            display: flex;
            width: 80%;
            margin: 28px auto 24px auto;
            .line {
              flex: 1;
              position: relative;
              top: -6px;
              border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            }
            .text {
              padding: 0 12px;
              font-weight: 700;
              font-size: 14px;
            }
          }
          .supports {
            width: 80%;
            margin: 0 auto;
            .support-item {
              padding: 0 12px;
              margin-bottom: 12px;
              font-size: 0;
              &:last-child {
                margin-bottom: 0;
              }
              .icon {
                display: inline-block;
                width: 16px;
                height: 16px;
                vertical-align: top;
                margin-right: 6px;
                background-size: 16px 16px;
                background-repeat: no-repeat;
              }
              .text {
                line-height: 16px;
                font-size: 12px;
              }
            }
          }
          /*商家公告*/
          .bulletin {
            width: 80%;
            margin: 0 auto;
            .content {
              padding: 0 12px;
              line-height: 24px;
              font-size: 12px;
            }
          }
        }
      }
      /*关闭遮罩层*/
      .detail-close {
        position: relative;
        width: 32px;
        height: 32px;
        margin: -64px auto 0 auto;
        clear: both;
        font-size: 32px;
      }
    }
  }
</style>
